1351354399 has 4 divisors (see below), whose sum is σ = 1358214264. Its totient is φ = 1344494536.

The previous prime is 1351354369. The next prime is 1351354427. The reversal of 1351354399 is 9934531531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1351354399 - 2¹¹ = 1351352351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351354339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3429637 + ... + 3430030.

It is an arithmetic number, because the mean of its divisors is an integer number (339553566).

Almost surely, 2^1351354399 is an apocalyptic number.

1351354399 is a deficient number, since it is larger than the sum of its proper divisors (6859865).

1351354399 is an equidigital number, since it uses as much as digits as its factorization.

1351354399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6859864.

The product of its digits is 218700, while the sum is 43.

The square root of 1351354399 is about 36760.7725571702. The cubic root of 1351354399 is about 1105.5789296567.

The spelling of 1351354399 in words is "one billion, three hundred fifty-one million, three hundred fifty-four thousand, three hundred ninety-nine".